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Finding the Fourth Proportional to 14,025.44, 21,052 and 7,451.60

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Solution

The fourth proportional to 14,025.44, 21,052 and 7,451.60 is: 11,184.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,025.44 : 21,052 = 7,451.60 : x
  2. Step 2: Convert to fraction form
    14,025.44/21,052 = 7,451.60/x
  3. Step 3: Cross multiply
    14,025.44x = 21,052 × 7,451.60
  4. Step 4: Simplify right side
    14,025.44x = 156,871,083.20
  5. Step 5: Solve for x
    x = 156,871,083.20/14,025.44
  6. Step 6: Final answer
    x = 11,184.75

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.